diff --git a/lib/pkp b/lib/pkp
index 878976a28fa..92f4d4ac59c 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 878976a28fa9db2fc068d27c84fa9afe295094e3
+Subproject commit 92f4d4ac59ca1772a4a522b98561df3cacb8694c